Avaya Troubleshooting Routers Guide de dépannage télécharger pdf (Page 191)

Using the Technician Interface to Configure and Run Packet Capture

B-3

The decoded format identiﬁes each ﬁeld in the packet and, where appropriate,

displays its contents in English. It also allows you to search packets for

character strings.

Optivity Tap displays each packet in a readable format without requiring a

Network General Sniffer. Refer to Using Optivity Internetwork 6.1 or later for

instructions.

• If a local or out-of-band Technician Interface connection to the router is

available, and you can decode the hexadecimal content of the packets

yourself, use it to display the packets.

The Technician Interface shows the following information about each packet:

— The sequential number of the packet in the ﬁle

— The date and time Packet Capture copied the packet

— The media carrying the packet

— The original size of the packet

— The direction of the packet (received for incoming, or transmitted for

outgoing)

— The contents of the packet in hexadecimal format.

The Technician Interface also allows you to

— Identify the ﬁrst packet you want to display by specifying its sequence

number in the packet capture ﬁle.

— Limit the number of packets displayed.

• If a DOS PC or Sun workstation can establish an FTP, TFTP, or XMODEM

connection to the router to transfer a copy of the ﬁle, you can use the Packet

Dump utility to display the packets in hexadecimal format.

The Packet Dump utility shows the same information about each packet as the

Technician Interface, but it does not provide options for specifying the packet

by number or quantity.

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Avaya Troubleshooting Routers Guide de dépannage Page 191